private String getObjectIdOfCommit() throws Exception {
String branch = repository.getFullBranch();
if (ObjectId.isId(branch)) return branch;
if (branch.startsWith(Constants.R_REFS)) {
RevCommit commit = revWalk.parseCommit(repository.resolve(branch));
return commit.getId().getName();
}
if (branch.startsWith(Constants.R_TAGS)) {
RevTag tag = revWalk.parseTag(repository.resolve(branch));
return tag.getObject().getId().name();
}
throw new IllegalStateException("Can't resolve commit");
}
private Image decorateImage(final Image image, Object element) {
RepositoryTreeNode node = (RepositoryTreeNode) element;
switch (node.getType()) {
case TAG:
// fall through
case ADDITIONALREF:
// fall through
case REF:
// if the branch or tag is checked out,
// we want to decorate the corresponding
// node with a little check indicator
String refName = ((Ref) node.getObject()).getName();
Ref leaf = ((Ref) node.getObject()).getLeaf();
String branchName;
String compareString;
try {
branchName = node.getRepository().getFullBranch();
if (branchName == null) return image;
if (refName.startsWith(Constants.R_HEADS)) {
// local branch: HEAD would be on the branch
compareString = refName;
} else if (refName.startsWith(Constants.R_TAGS)) {
// tag: HEAD would be on the commit id to which the tag is
// pointing
ObjectId id = node.getRepository().resolve(refName);
if (id == null) return image;
RevWalk rw = new RevWalk(node.getRepository());
RevTag tag = rw.parseTag(id);
compareString = tag.getObject().name();
} else if (refName.startsWith(Constants.R_REMOTES)) {
// remote branch: HEAD would be on the commit id to which
// the branch is pointing
ObjectId id = node.getRepository().resolve(refName);
if (id == null) return image;
RevWalk rw = new RevWalk(node.getRepository());
RevCommit commit = rw.parseCommit(id);
compareString = commit.getId().name();
} else if (refName.equals(Constants.HEAD)) return getDecoratedImage(image);
else {
String leafname = leaf.getName();
if (leafname.startsWith(Constants.R_REFS)
&& leafname.equals(node.getRepository().getFullBranch()))
return getDecoratedImage(image);
else if (leaf.getObjectId().equals(node.getRepository().resolve(Constants.HEAD)))
return getDecoratedImage(image);
// some other symbolic reference
return image;
}
} catch (IOException e1) {
return image;
}
if (compareString.equals(branchName)) {
return getDecoratedImage(image);
}
return image;
default:
return image;
}
}